﻿var cal;
var isFocus = false; //是否为焦点   
var pickMode = {
    "second": 1,
    "minute": 2,
    "hour": 3,
    "day": 4,
    "month": 5,
    "year": 6
};

var topY = 0, leftX = 0;  //自定义定位偏移量 2007-02-11 由 寒羽枫添加   
//选择日期 → 由 寒羽枫 2007-06-10 添加，通过 ID 来选日期   
function SelectDateById(id, strFormat, x, y) {
    var obj = document.getElementById(id);
    if (obj == null) { return false; }
    obj.focus();
    if (obj.onclick != null) { obj.onclick(); }
    else if (obj.click != null) { obj.click(); }
    else { SelectDate(obj, strFormat, x, y) }
}

//选择日期 → 由 寒羽枫 2006-06-25 添加   
function SelectDate(obj, strFormat, x, y) {

    leftX = (x == null) ? leftX : x;
    topY = (y == null) ? topY : y; //自定义定位偏移量 2007-02-11 由 寒羽枫添加    
    if (document.getElementById("ContainerPanel") == null) { InitContainerPanel(); }
    var date = new Date();
    var by = date.getFullYear() - 50;  //最小值 → 50 年前   
    var ey = date.getFullYear() + 50;  //最大值 → 50 年后   
    //cal = new Calendar(by, ey,1,strFormat);    //初始化英文版，0 为中文版   
    cal = (cal == null) ? new Calendar(by, ey, 0) : cal;    //不用每次都初始化 2006-12-03 修正   
    cal.DateMode = pickMode["second"]; //复位   
    if (strFormat.indexOf('s') < 0) { cal.DateMode = pickMode["minute"]; } //精度为分   
    if (strFormat.indexOf('m') < 0) { cal.DateMode = pickMode["hour"]; } //精度为时   
    if (strFormat.indexOf('h') < 0) { cal.DateMode = pickMode["day"]; } //精度为日   
    if (strFormat.indexOf('d') < 0) { cal.DateMode = pickMode["month"]; } //精度为月   
    if (strFormat.indexOf('M') < 0) { cal.DateMode = pickMode["year"]; } //精度为年   
    if (strFormat.indexOf('y') < 0) { cal.DateMode = pickMode["second"]; } //默认精度为秒   
    cal.dateFormatStyleOld = cal.dateFormatStyle;
    cal.dateFormatStyle = strFormat;
    cal.show(obj);
}
/**//**//**//**//**//**//**//**  
 * 返回日期  
 * @param d the delimiter  
 * @param p the pattern of your date  
 2006-06-25 由 寒羽枫 修改为根据用户指定的 style 来确定；  
 */
String.prototype.toDate = function (style) {
    var y = this.substring(style.indexOf('y'), style.lastIndexOf('y') + 1); //年   
    var M = this.substring(style.indexOf('M'), style.lastIndexOf('M') + 1); //月   
    var d = this.substring(style.indexOf('d'), style.lastIndexOf('d') + 1); //日   
    var h = this.substring(style.indexOf('h'), style.lastIndexOf('h') + 1); //时   
    var m = this.substring(style.indexOf('m'), style.lastIndexOf('m') + 1); //分   
    var s = this.substring(style.indexOf('s'), style.lastIndexOf('s') + 1); //秒   

    if (s == null || s == "" || isNaN(s)) { s = new Date().getSeconds(); }
    if (m == null || m == "" || isNaN(m)) { m = new Date().getMinutes(); }
    if (h == null || h == "" || isNaN(h)) { h = new Date().getHours(); }
    if (d == null || d == "" || isNaN(d)) { d = new Date().getDate(); }
    if (M == null || M == "" || isNaN(M)) { M = new Date().getMonth() + 1; }
    if (y == null || y == "" || isNaN(y)) { y = new Date().getFullYear(); }
    var dt;
    eval("dt = new Date('" + y + "', '" + (M - 1) + "','" + d + "','" + h + "','" + m + "','" + s + "')");
    return dt;
}

/**//**//**//**//**//**//**//**  
 * 格式化日期  
 * @param   d the delimiter  
 * @param   p the pattern of your date  
 * @author  meizz  
 */
Date.prototype.format = function (style) {
    var o = {
        "M+": this.getMonth() + 1, //month   
        "d+": this.getDate(),      //day   
        "h+": this.getHours(),     //hour   
        "m+": this.getMinutes(),   //minute   
        "s+": this.getSeconds(),   //second   
        "w+": "天一二三四五六".charAt(this.getDay()),   //week   
        "q+": Math.floor((this.getMonth() + 3) / 3),  //quarter   
        "S": this.getMilliseconds() //millisecond   
    }
    if (/(y+)/.test(style)) {
        style = style.replace(RegExp.$1,
    (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    }
    for (var k in o) {
        if (new RegExp("(" + k + ")").test(style)) {
            style = style.replace(RegExp.$1,
        RegExp.$1.length == 1 ? o[k] :
        ("00" + o[k]).substr(("" + o[k]).length));
        }
    }
    return style;
}

//2007-09-14  由寒羽枫添加返回所选日期   
Calendar.prototype.ReturnDate = function (dt) {
    if (this.dateControl != null) { this.dateControl.value = dt; }
    calendar.hide();
    if (this.dateControl.onchange == null) { return; }
    //将 onchange 转成其它函数，以免触发验证事件   
    var ev = this.dateControl.onchange.toString(); //找出函数的字串   
    ev = ev.substring(
            ((ev.indexOf("ValidatorOnChange();") > 0) ? ev.indexOf("ValidatorOnChange();") + 20 : ev.indexOf("{") + 1)
                , ev.lastIndexOf("}")); //去除验证函数 ValidatorOnChange();   
    var fun = new Function(ev);     //重新定义函数   
    this.dateControl.changeEvent = fun;
    this.dateControl.changeEvent(); //触发自定义 changeEvent 函数   
}

/**//**//**//**//**//**//**//**  
 * 日历类  
 * @param   beginYear 1990  
 * @param   endYear   2010  
 * @param   lang      0(中文)|1(英语) 可自由扩充  
 * @param   dateFormatStyle  "yyyy-MM-dd";  
 * @version 2006-04-01  
 * @author  KimSoft (jinqinghua [at] gmail.com)  
 * @update  
 */
function Calendar(beginYear, endYear, lang, dateFormatStyle) {
    this.beginYear = 1950;
    this.endYear = 2050;
    this.lang = 0;            //0(中文) | 1(英文)   
    this.dateFormatStyle = "yyyy-MM-dd hh:mm:ss";

    if (beginYear != null && endYear != null) {
        this.beginYear = beginYear;
        this.endYear = endYear;
    }
    if (lang != null) {
        this.lang = lang
    }

    if (dateFormatStyle != null) {
        this.dateFormatStyle = dateFormatStyle
    }

    this.dateControl = null;
    this.panel = this.getElementById("calendarPanel");
    this.container = this.getElementById("ContainerPanel");
    this.form = null;

    this.date = new Date();
    this.year = this.date.getFullYear();
    this.month = this.date.getMonth();

    this.day = this.date.getDate();
    this.hour = this.date.getHours();
    this.minute = this.date.getMinutes();
    this.second = this.date.getSeconds();

    this.colors = {
        "cur_word": "#FFFFFF",  //当日日期文字颜色   
        "cur_bg": "#00FF00",  //当日日期单元格背影色   
        "sel_bg": "#FFCCCC",  //已被选择的日期单元格背影色 2006-12-03 寒羽枫添加     
        "sun_word": "#FF0000",  //星期天文字颜色     
        "sat_word": "#0000FF",  //星期六文字颜色     
        "td_word_light": "#333333",  //单元格文字颜色     
        "td_word_dark": "#CCCCCC",  //单元格文字暗色     
        "td_bg_out": "#EFEFEF",  //单元格背影色   
        "td_bg_over": "#FFCC00",  //单元格背影色   
        "tr_word": "#FFFFFF",  //日历头文字颜色     
        "tr_bg": "#666666",  //日历头背影色   
        "input_border": "#CCCCCC",  //input控件的边框颜色     
        "input_bg": "#EFEFEF"   //input控件的背影色   
    }
    /* //2008-01-29 放到了 show ，因为要做 pickMode 判断  
    this.draw();  
    this.bindYear();  
    this.bindMonth();  
    */
    //this.changeSelect();   
    //this.bindData(); //2006-12-30 由民工.砖家注释   
}

/**//**//**//**//**//**//**//**  
 * 日历类属性（语言包，可自由扩展）  
 */
Calendar.language = {
    "year": [[""], [""]],
    "months": [["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"],
        ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"]
         ],
    "weeks": [["日", "一", "二", "三", "四", "五", "六"],
        ["SUN", "MON", "TUR", "WED", "THU", "FRI", "SAT"]
         ],
    "hour": [["时"], ["H"]],
    "minute": [["分"], ["M"]],
    "second": [["秒"], ["S"]],
    "clear": [["清空"], ["CLS"]],
    "today": [["今天"], ["TODAY"]],
    "pickTxt": [["确定"], ["OK"]], //pickMode 精确到年、月时把今天变成“确定”   
    "close": [["关闭"], ["CLOSE"]]
}

Calendar.prototype.draw = function () {
    calendar = this;

    var mvAry = [];
    //mvAry[mvAry.length]  = '  <form name="calendarForm" style="margin: 0px;">'; //因 <form> 不能嵌套， 2006-12-01 由寒羽枫改用 Div   
    mvAry[mvAry.length] = '  <div name="calendarForm" style="margin: 0px;">';
    mvAry[mvAry.length] = '    <table width="100%" border="0" cellpadding="0" cellspacing="1" style="font-size:12px;">';
    mvAry[mvAry.length] = '      <tr>';
    mvAry[mvAry.length] = '        <th align="left" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;';
    if (calendar.DateMode > pickMode["month"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到年时隐藏“月”   
    mvAry[mvAry.length] = '" name="prevMonth" type="button" id="prevMonth" value="&lt;" /></th>';
    mvAry[mvAry.length] = '        <th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;';
    if (calendar.DateMode > pickMode["month"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到年时隐藏“月”   
    mvAry[mvAry.length] = '"></select></th>';
    mvAry[mvAry.length] = '        <th align="right" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;';
    if (calendar.DateMode > pickMode["month"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到年时隐藏“月”   
    mvAry[mvAry.length] = '" name="nextMonth" type="button" id="nextMonth" value="&gt;" /></th>';
    mvAry[mvAry.length] = '      </tr>';
    mvAry[mvAry.length] = '    </table>';
    mvAry[mvAry.length] = '    <table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF;font-size:12px;';
    if (calendar.DateMode >= pickMode["month"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到年、月时隐藏“天”   
    mvAry[mvAry.length] = '" border="0" cellpadding="3" cellspacing="1">';
    mvAry[mvAry.length] = '      <tr>';
    for (var i = 0; i < 7; i++) {
        mvAry[mvAry.length] = '      <th style="font-weight:normal;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>';
    }
    mvAry[mvAry.length] = '      </tr>';
    for (var i = 0; i < 6; i++) {
        mvAry[mvAry.length] = '    <tr align="center">';
        for (var j = 0; j < 7; j++) {
            if (j == 0) {
                mvAry[mvAry.length] = '  <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';
            } else if (j == 6) {
                mvAry[mvAry.length] = '  <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';
            } else {
                mvAry[mvAry.length] = '  <td style="cursor:default;"></td>';
            }
        }
        mvAry[mvAry.length] = '    </tr>';
    }

    //2009-03-03 添加的代码，放置时间的行   
    mvAry[mvAry.length] = '      <tr style="';
    if (calendar.DateMode >= pickMode["day"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到时日隐藏“时间”   
    mvAry[mvAry.length] = '"><td align="center" colspan="7">';
    mvAry[mvAry.length] = '      <select name="calendarHour" id="calendarHour" style="font-size:12px;"></select>' + Calendar.language["hour"][this.lang];
    mvAry[mvAry.length] = '<span style="'
    if (calendar.DateMode >= pickMode["hour"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到小时时隐藏“分”   
    mvAry[mvAry.length] = '"><select name="calendarMinute" id="calendarMinute" style="font-size:12px;"></select>' + Calendar.language["minute"][this.lang] + '</span>';
    mvAry[mvAry.length] = '<span style="'
    if (calendar.DateMode >= pickMode["minute"]) { mvAry[mvAry.length] = 'display:none;'; } //pickMode 精确到小时、分时隐藏“秒”   
    mvAry[mvAry.length] = '"><select name="calendarSecond" id="calendarSecond" style="font-size:12px;"></select>' + Calendar.language["second"][this.lang] + '</span>';
    mvAry[mvAry.length] = '      </td></tr>';

    mvAry[mvAry.length] = '    </table>';
    //mvAry[mvAry.length]  = '  </from>';   
    mvAry[mvAry.length] = '      <div align="center" style="padding:4px 4px 4px 4px;background-color:' + calendar.colors["input_bg"] + ';">';
    mvAry[mvAry.length] = '        <input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:40px;height:20px;font-size:12px;cursor:pointer;"/>';
    mvAry[mvAry.length] = '        <input name="calendarToday" type="button" id="calendarToday" value="'
    mvAry[mvAry.length] = (calendar.DateMode == pickMode["day"]) ? Calendar.language["today"][this.lang] : Calendar.language["pickTxt"][this.lang];
    mvAry[mvAry.length] = '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:60px;height:20px;font-size:12px;cursor:pointer"/>';
    mvAry[mvAry.length] = '        <input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:40px;height:20px;font-size:12px;cursor:pointer"/>';
    mvAry[mvAry.length] = '      </div>';

    mvAry[mvAry.length] = '  </div>';
    this.panel.innerHTML = mvAry.join("");

    /**//**//**//******** 以下代码由寒羽枫 2006-12-01 添加 **********/
    var obj = this.getElementById("prevMonth");
    obj.onclick = function () { calendar.goPrevMonth(calendar); }
    obj.onblur = function () { calendar.onblur(); }
    this.prevMonth = obj;

    obj = this.getElementById("nextMonth");
    obj.onclick = function () { calendar.goNextMonth(calendar); }
    obj.onblur = function () { calendar.onblur(); }
    this.nextMonth = obj;

    obj = this.getElementById("calendarClear");
    obj.onclick = function () {
        calendar.ReturnDate(""); /*calendar.dateControl.value = "";calendar.hide();*///2007-09-14 由寒羽枫注释   
    }
    this.calendarClear = obj;

    obj = this.getElementById("calendarClose");
    obj.onclick = function () { calendar.hide(); }
    this.calendarClose = obj;

    obj = this.getElementById("calendarYear");
    obj.onchange = function () { calendar.update(calendar); }
    obj.onblur = function () { calendar.onblur(); }
    this.calendarYear = obj;

    obj = this.getElementById("calendarMonth");
    with (obj) {
        onchange = function () { calendar.update(calendar); }
        onblur = function () { calendar.onblur(); }
    } this.calendarMonth = obj;

    obj = this.getElementById("calendarHour");
    obj.onchange = function () { calendar.hour = this.options[this.selectedIndex].value; }
    obj.onblur = function () { calendar.onblur(); }
    this.calendarHour = obj;

    obj = this.getElementById("calendarMinute");
    obj.onchange = function () { calendar.minute = this.options[this.selectedIndex].value; }
    obj.onblur = function () { calendar.onblur(); }
    this.calendarMinute = obj;

    obj = this.getElementById("calendarSecond");
    obj.onchange = function () { calendar.second = this.options[this.selectedIndex].value; }
    obj.onblur = function () { calendar.onblur(); }
    this.calendarSecond = obj;

    obj = this.getElementById("calendarToday");
    obj.onclick = function () {
        var today = (calendar.DateMode != pickMode["day"]) ?
                    new Date(calendar.year, calendar.month, calendar.day, calendar.hour, calendar.minute, calendar.second)
                    : new Date(); //2008-01-29   
        calendar.ReturnDate(today.format(calendar.dateFormatStyle));
    }
    this.calendarToday = obj;
}

//年份下拉框绑定数据   
Calendar.prototype.bindYear = function () {
    var cy = this.calendarYear; //2006-12-01 由寒羽枫修改   
    cy.length = 0;
    for (var i = this.beginYear; i <= this.endYear; i++) {
        cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);
    }
}

//月份下拉框绑定数据   
Calendar.prototype.bindMonth = function () {
    var cm = this.calendarMonth; //2006-12-01 由寒羽枫修改   
    cm.length = 0;
    for (var i = 0; i < 12; i++) {
        cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i);
    }
}

//小时下拉框绑定数据   
Calendar.prototype.bindHour = function () {
    var ch = this.calendarHour;
    if (ch.length > 0) { return; } //2009-03-03 不需要重新绑定，提高性能   
    //ch.length = 0;   
    var h;
    for (var i = 0; i < 24; i++) {
        h = ("00" + i + "").substr(("" + i).length);
        ch.options[ch.length] = new Option(h, h);
    }
}

//分钟下拉框绑定数据   
Calendar.prototype.bindMinute = function () {
    var cM = this.calendarMinute;
    if (cM.length > 0) { return; } //2009-03-03 不需要重新绑定，提高性能   
    //cM.length = 0;   
    var M;
    for (var i = 0; i < 60; i++) {
        M = ("00" + i + "").substr(("" + i).length);
        cM.options[cM.length] = new Option(M, M);
    }
}

//秒钟下拉框绑定数据   
Calendar.prototype.bindSecond = function () {
    var cs = this.calendarSecond;
    if (cs.length > 0) { return; } //2009-03-03 不需要重新绑定，提高性能   
    //cs.length = 0;   
    var s;
    for (var i = 0; i < 60; i++) {
        s = ("00" + i + "").substr(("" + i).length);
        cs.options[cs.length] = new Option(s, s);
    }
}

//向前一月   
Calendar.prototype.goPrevMonth = function (e) {
    if (this.year == this.beginYear && this.month == 0) { return; }
    this.month--;
    if (this.month == -1) {
        this.year--;
        this.month = 11;
    }
    this.date = new Date(this.year, this.month, 1);
    this.changeSelect();
    this.bindData();
}

//向后一月   
Calendar.prototype.goNextMonth = function (e) {
    if (this.year == this.endYear && this.month == 11) { return; }
    this.month++;
    if (this.month == 12) {
        this.year++;
        this.month = 0;
    }
    this.date = new Date(this.year, this.month, 1);
    this.changeSelect();
    this.bindData();
}

//改变SELECT选中状态   
Calendar.prototype.changeSelect = function () {
    var cy = this.calendarYear; //2006-12-01 由寒羽枫修改   
    var cm = this.calendarMonth;
    var ch = this.calendarHour;
    var cM = this.calendarMinute;
    var cs = this.calendarSecond;
    //2006-12-30 由民工.砖家修改，减少运算次数   
    cy[this.date.getFullYear() - this.beginYear].selected = true;
    cm[this.date.getMonth()].selected = true;

    //2009-03-03 添加，初始化时间的值   
    ch[this.hour].selected = true;
    cM[this.minute].selected = true;
    cs[this.second].selected = true;
}

//更新年、月   
Calendar.prototype.update = function (e) {
    this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value; //2006-12-01 由寒羽枫修改   
    this.month = e.calendarMonth.options[e.calendarMonth.selectedIndex].value;
    this.date = new Date(this.year, this.month, 1);
    //this.changeSelect();   
    this.bindData();
}

//绑定数据到月视图   
Calendar.prototype.bindData = function () {
    var calendar = this;
    if (calendar.DateMode >= pickMode["month"]) { return; } //2008-01-29   
    // var dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth());   
    //2006-12-30 由民工.砖家修改 在Firefox 下年份错误   
    var dateArray = this.getMonthViewArray(this.date.getFullYear(), this.date.getMonth());
    var tds = this.getElementById("calendarTable").getElementsByTagName("td");
    for (var i = 0; i < tds.length; i++) {
        tds[i].style.backgroundColor = calendar.colors["td_bg_out"];
        tds[i].onclick = function () { return; }
        tds[i].onmouseover = function () { return; }
        tds[i].onmouseout = function () { return; }
        if (i > dateArray.length - 1) break;
        tds[i].innerHTML = dateArray[i];
        if (dateArray[i] != "&nbsp;") {
            tds[i].bgColorTxt = "td_bg_out"; //2009-03-03 保存背景色的class   
            var cur = new Date();
            tds[i].isToday = false;
            if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth() == calendar.date.getMonth() && cur.getDate() == dateArray[i]) {
                //是今天的单元格   
                tds[i].style.backgroundColor = calendar.colors["cur_bg"];
                tds[i].bgColorTxt = "cur_bg";
                tds[i].isToday = true;
            }
            if (calendar.dateControl != null) {
                cur = calendar.dateControl.value.toDate(calendar.dateFormatStyle);
                if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth() == calendar.date.getMonth() && cur.getDate() == dateArray[i]) {
                    //是已被选中的单元格   
                    calendar.selectedDayTD = tds[i];
                    tds[i].style.backgroundColor = calendar.colors["sel_bg"];
                    tds[i].bgColorTxt = "sel_bg";
                }
            }
            tds[i].onclick = function () {
                if (calendar.DateMode == pickMode["day"]) //2009-03-03 当选择日期时，点击格子即返回值   
                {
                    calendar.ReturnDate(new Date(calendar.date.getFullYear(),
                                                    calendar.date.getMonth(),
                                                    this.innerHTML).format(calendar.dateFormatStyle));
                }
                else {
                    if (calendar.selectedDayTD != null) //2009-03-03 清除已选中的背景色   
                    {
                        calendar.selectedDayTD.style.backgroundColor = (calendar.selectedDayTD.isToday) ? calendar.colors["cur_bg"] : calendar.colors["td_bg_out"];
                    }
                    this.style.backgroundColor = calendar.colors["sel_bg"];
                    calendar.day = this.innerHTML;
                    calendar.selectedDayTD = this; //2009-03-03 记录已选中的日子   
                }
            }
            tds[i].style.cursor = "pointer"; //2007-08-06 由寒羽枫添加，鼠标变成手指状   
            tds[i].onmouseover = function () {
                this.style.backgroundColor = calendar.colors["td_bg_over"];
            }
            tds[i].onmouseout = function () {
                if (calendar.selectedDayTD != this) {
                    this.style.backgroundColor = calendar.colors[this.bgColorTxt];
                }
            }
            tds[i].onblur = function () { calendar.onblur(); }
        }
    }
}

//根据年、月得到月视图数据(数组形式)   
Calendar.prototype.getMonthViewArray = function (y, m) {
    var mvArray = [];
    var dayOfFirstDay = new Date(y, m, 1).getDay();
    var daysOfMonth = new Date(y, m + 1, 0).getDate();
    for (var i = 0; i < 42; i++) {
        mvArray[i] = "&nbsp;";
    }
    for (var i = 0; i < daysOfMonth; i++) {
        mvArray[i + dayOfFirstDay] = i + 1;
    }
    return mvArray;
}

//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source   
Calendar.prototype.getElementById = function (id) {
    if (typeof (id) != "string" || id == "") return null;
    if (document.getElementById) return document.getElementById(id);
    if (document.all) return document.all(id);
    try { return eval(id); } catch (e) { return null; }
}

//扩展 object.getElementsByTagName(tagName)   
Calendar.prototype.getElementsByTagName = function (object, tagName) {
    if (document.getElementsByTagName) return document.getElementsByTagName(tagName);
    if (document.all) return document.all.tags(tagName);
}

//取得HTML控件绝对位置   
Calendar.prototype.getAbsPoint = function (e) {
    var x = e.offsetLeft;
    var y = e.offsetTop;
    while (e = e.offsetParent) {
        x += e.offsetLeft;
        y += e.offsetTop;
    }
    return { "x": x, "y": y };
}

//显示日历   
Calendar.prototype.show = function (dateObj, popControl) {
    if (dateObj == null) {
        throw new Error("arguments[0] is necessary")
    }
    this.dateControl = dateObj;
    var now = new Date();
    this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : now.format(this.dateFormatStyle).toDate(this.dateFormatStyle); //2008-01-29 寒羽枫添加 → 若为空则根据dateFormatStyle初始化日期   

    if (this.panel.innerHTML == "" || cal.dateFormatStyleOld != cal.dateFormatStyle)//2008-01-29 把构造表格放在此处，2009-03-03 若请示的样式改变，则重新初始化   
    {
        this.draw();
        this.bindYear();
        this.bindMonth();
        this.bindHour();
        this.bindMinute();
        this.bindSecond();
    }
    this.year = this.date.getFullYear();
    this.month = this.date.getMonth();
    this.day = this.date.getDate();
    this.hour = this.date.getHours();
    this.minute = this.date.getMinutes();
    this.second = this.date.getSeconds();
    this.changeSelect();
    this.bindData();

    if (popControl == null) {
        popControl = dateObj;
    }
    var xy = this.getAbsPoint(popControl);
    //this.panel.style.left = xy.x + "px";   
    //this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px";   
    this.panel.style.left = (xy.x + leftX) + "px"; //由寒羽枫 2007-02-11 修改 → 加入自定义偏移量   
    this.panel.style.top = (xy.y + topY + dateObj.offsetHeight) + "px";

    //由寒羽枫 2006-06-25 修改 → 把 visibility 变为 display，并添加失去焦点的事件  //this.setDisplayStyle("select", "hidden");   
    //this.panel.style.visibility = "visible";   
    //this.container.style.visibility = "visible";   
    this.panel.style.display = "";
    this.container.style.display = "";

    if (!this.dateControl.isTransEvent) {
        this.dateControl.isTransEvent = true;
        /* 已写在返回值的时候  ReturnDate 函数中，去除验证事件的函数  
        this.dateControl.changeEvent = this.dateControl.onchange;//将 onchange 转成其它函数，以免触发验证事件  
        this.dateControl.onchange = function()  
        {if(typeof(this.changeEvent) =='function'){this.changeEvent();}}*/
        if (this.dateControl.onblur != null) {
            this.dateControl.blurEvent = this.dateControl.onblur;
        } //2007-09-14 保存主文本框的 onblur ，使其原本的事件不被覆盖   
        this.dateControl.onblur = function () {
            calendar.onblur(); if (typeof (this.blurEvent) == 'function') { this.blurEvent(); }
        }
    }

    this.container.onmouseover = function () { isFocus = true; }
    this.container.onmouseout = function () { isFocus = false; }
}

//隐藏日历   
Calendar.prototype.hide = function () {
    //this.setDisplayStyle("select", "visible");   
    //this.panel.style.visibility = "hidden";   
    //this.container.style.visibility = "hidden";   
    this.panel.style.display = "none";
    this.container.style.display = "none";
    isFocus = false;
}

//焦点转移时隐藏日历 → 由寒羽枫 2006-06-25 添加   
Calendar.prototype.onblur = function () {
    if (!isFocus) { this.hide(); }
}

//以下由寒羽枫 2007-07-26 修改 → 确保日历容器节点在 body 最后，否则 FireFox 中不能出现在最上方   
function InitContainerPanel() //初始化容器   
{
    var str = '<div id="calendarPanel" style="position: absolute;display: none;z-index:9999; background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;"></div>';
    if (document.all) {
        str += '<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);';
        str += 'height:expression(this.previousSibling.offsetHeight);';
        str += 'left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);';
        str += 'display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>';
    }
    var div = document.createElement("div");
    div.innerHTML = str;
    div.id = "ContainerPanel";
    div.style.display = "none";
    document.body.appendChild(div);
} //调用calendar.show(dateControl, popControl);   
//--> 